6) How is a soak pit made?
7) a) What is recycling of materials?
b) Name a few materials that can be recycled.
c) Why polythene bags a great problem for us?
8) What is vermicomposting? How is it useful?
9) Define the term “composting'. How is it different from vermicomposting?
10) Give any two ways to:
a) Reduce materials.
b) Reuse materials.
Answers
Answer:
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Answer:
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Explanation:
6 A Soak Pit is a covered, porous-walled chamber that allows water to slowly soak into the ground. Pre-settled effluent from septic tank is discharged to the underground chamber from where it infiltrates into the surrounding soil.
7 a Recycling is the process of collecting and processing materials that would otherwise be thrown away as trash and turning them into new products. Recycling can benefit your community and the environment
7 b Recyclable materials include many kinds of glass, paper, cardboard, metal, plastic, tires, textiles, batteries, and electronics.
7 c Plastic bags start out as fossil fuels and end up as deadly waste in landfills and the ocean. ... Fish eat thousands of tons of plastic a year, transferring it up the food chain to bigger fish and marine mammals
8. Vermicompost enhances plant growth, suppresses disease in plants, increases porosity and microbial activity in soil, and improves water retention and aeration. Vermicompost also benefits the environment by reducing the need for chemical fertilizers and decreasing the amount of waste going to landfills.
9. vermicomposting is best suited for faster processing of smaller quantities of waste. Composting on the other hand, is a more chemical process, occurring under high temperatures and not bound by limitations on depth.
10. Buy used. You can find everything from clothes to building materials at specialized reuse centers and consignment shops. Often, used items are less expensive and just as good as new.
Look for products that use less packaging. When manufacturers make their products with less packaging, they use less raw material. This reduces waste and costs. These extra savings can be passed along to the consumer. Buying in bulk, for example, can reduce packaging and save money.
Buy reusable over disposable items. Look for items that can be reused; the little things can add up. For example, you can bring your own silverware and cup to work, rather than using disposable items.
Maintain and repair products, like clothing, tires and appliances, so that they won't have to be thrown out and replaced as frequently.
Borrow, rent or share items that are used infrequently, like party decorations, tools or furniture.